2 literature references for Cordillacris pima Rehn, J.A.G., 1907:

Author: Rehn, J.A.G.
Year: 1907
Title: Notes on Orthoptera from southern Arizona, with descriptions of new species
Source: Proceedings of the Academy of Natural Sciences, Philadelphia (Proc. Acad. Nat. Sci. Philad.) 59:24-81
Author: Rehn, J.A.G. & Hebard
Year: 1912
Title: Fixation of single type (lectotype) specimens of American Orthoptera. Section I
Source: Proceedings of the Academy of Natural Sciences, Philadelphia (Proc. Acad. Nat. Sci. Philad.) 64(1):60-128